 Grand Illusions  Hendrik Ball
A "site for the enquiring mind, with optical illusions, scientific toys, visual effects, and even a little magic." Includes a number of feature articles on vision, photography, mirrors, optical toys, movies, etc. See, in particular, the geometrical optical
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 Grandma Got STEM  Rachel Levy
Levy, a Professor in the Mathematics Department at Harvey Mudd College, blogs to collect public awareness and art projects that use grandmothers' pictures, names, and connections to science, technology, engineering, and mathematics (STEM) in order to
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 Grant Keady
Grant Keady, an adjunct professor at Curtin University, researches fluid dynamics and related subjects, with forays into computer algebra. Some of his papers are available online in PostScript, gzipped PostScript, PDF, .dvi, or Mathematica notebook format.
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 Granular Volcano Group  Sebastien Dartevelle
The site aims to describe and understand granular flows, fluid dynamic, supercomputer modeling, grain features, and behaviors in volcanology. Includes descriptions of frictional, kinetic, and collisional rheologies of granular matter, and definitions
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 GraphCalc  Mike Arrison
A graphing calculator program for Windows. Features include threedimensional graphing, calculus, and statistics. Download a shareware version, read online documentation, request a feature, or read about the authors.
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 Graph Coloring Page  Joseph Culberson
An ongoing project to provide graph coloring resources. Contents include: Graph Coloring Bibliography; Graph Coloring Programs; Graph Generator Programs; Phase Transition in Coloring, with Data Files; Links to Other Sources; Links to Other Coloring Material;
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 Graphe Easy  Olivier Ansquer
Featurerich yet easytouse 2d graphplotting Windows software. Demo version available. It allows users to draw many graph types (Cartesian, polar, parametric coordinates) and many other graphs such as conics, integrals, inequalities, or sequences. It
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 Graph Explorer  Alan Cooper, Dept. of Mathematics & Statistics, Langara College
A JAVAbased graphing utility. This applet is designed to allow you to zoom in and out smoothly, or to pan across the graphs of functions that you define. Use it to display the graphs of functions that you want to study, either individually or in families
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 Graph Galleries  Microcal Software, Inc.
Select one of 5 Subject Specific Graph Galleries to view an array of industryspecific graphs, or explore graph types (3D surface graphs; contour graphs; bar, box, & column gallery; line gallery; line & symbol gallery; or scatter gallery). See
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 Graphical Iteration  Mark Scheuern
This applet demonstrates graphical iteration, using the quadratic iterator xn+1 = fa(xn) , fa(x) = ax(1x), 0<=a<=4 and iterating for twenty steps. Try different values of x0 and a. Note that some values will produce a stable state and others result
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 Graphic animations of functions of a complex variable  Robert DuBeau
Six graphic animations extending in each case, by graphing, an initial grid of either a "square" or a "round" variety of parabolas representing the conformal image of z^2, then smoothly "rotating" this grid in complex 2space (CxC) until the conformal
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 Graphics Archive  The Geometry Center
General interest images of an artistic nature, or of general interest to the public, including fractals, digital art, etc.; Special Topics  images created during research projects at the Geometry Center; Video Productions  images from videos produced
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 Graphics Calculator Information (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
Links to calculator projects, programs, and utilities; lab activities and calculator worksheets; calculator FAQs; and other calculator sites.
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 Graphics for Complex Analysis  Douglas N. Arnold; Institute for Mathematics and its Applications
A collection of graphical demonstrations of concepts in complex analysis developed for a course at McAllister. Most are animated so that the original curves are continuously deformed into the image curves, and the eye can follow which points move where;
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 Graphics for Complex Analysis (Java version)  Douglas N. Arnold; Institute for Mathematics and its Applications
A collection of graphical demonstrations using Java of concepts in complex analysis developed for a course at McAllister. Most are animated so that the original curves are continuously deformed into the image curves, and the eye can follow which points
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 Graphics for the Calculus Classroom (Java version)  Douglas N. Arnold; Institute for Mathematics and its Applications
Excerpts with Java animations from a collection of graphical demonstrations developed for first year calculus. Includes: Differentials and differences, computing the volume of water in a tipped glass, Archimedes' calculation of pi, how the ball bounces,
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 Graphing Applets for Calculus  Eric A. Carlen
A collection of calculus applets, two packages of Java classes used for writing such applets, and full documentation of the packages and their use, with source code for all the sample applets. Applet topics include: the basins of attraction for Newton's
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 Graphing Calculator 3D  Runiter Company
Makers of visual, tutorial, and computational software such as Smart Math Calculator, Graphing Calculator 3D, A&G (algebra and geometry) Grapher, Statistics Problem Solver, and Calculus Problem Solver.
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 Graphing Calculator for Mac and Windows  Pacific Tech
Graphing Calculator calculates and displays two and threedimensional mathematical objects easily, and saves animations as QuickTime movies. The site includes a list of features, a guided tour, a picture gallery, a free demo, and ordering capabilities,
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 Graphing Calculator Help  PearsonHall Education
Help using the calculator models TI82, TI83, TI85, TI86, TI89, TI92, HP48G, CFX9850 GaPlus, Sharp EL9600C, and Casio FX2. Select a model to display PrenticeHall's help topics in alphabetical order, then click the topic to see specific instructions.
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 Graphing Calculator  Pacific Tech
Graphing Calculator is a tool for quickly visualizing math: type an equation and it is drawn for you without complicated dialog boxes or commands. Graphing Calculator 2.2, a commercial release, features symbolic and numeric methods for visualizing two
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 Graphing Cubic Polynomials  Jim Carlson, University of Utah
A Java graph with changeable coefficients. Draw the graph, zoom in or out, click on any point to get approximate coordinates. Arc length and rise/run calculated.
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 Graphing Vector Calculator  Paul Flavin
An interactive Java applet which, given two vectors, will add or subtract them, producing graphical and numerical solutions almost instantly. The vectors are drawn on a labeled grid, the numerical representations are aligned in matching colors, and a
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 Graphis  Robert Fairlie, Kylebank Software Ltd.
Graphing tool for Windows for plotting tabular data or mathematical expressions. In addition to 2D (one independent variable) plotting features, TeraPlot provides 3D (two independent variables) plot types which can be used individually or combined to
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 Graph Magics  Dumitru Ciubatii
A tool for graph theory, featuring a strong graph generator and more than 15 algorithms (e.g. Shortest Path, Maximum Flow, Minimum Cut, Maximum Clique, Maximal Subset of Independent Vertices, Eulerian Path/Circuit, Hamiltonian
Path/Circuit, Chinese
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 Graphmatica  Keith Hertzer, kSoft, Inc.
An equation plotter with numerical and calculus features. Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. Up to 25 graphs on screen at once. Offers copy to clipboard (bitmap and WMF),
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 GraphNow Software  GraphNow Software
Various graphing software: Use Function Grapher to create function graphs and table graphs. Use Visual Data to create data graphs of 3D surface data and 4D volume data. Math Calculator has the abilities of expression calculating, solving equation, finding
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 GraphPanel  David Binger; Centre College
A Java application that supports the interactive editing of simple graphs with labels. The program can produce PostScript images of the graphs, and these PostScript files can be included directly in TeX documents or converted (using other programs) to
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 Graph Partitioners  Guy Blelloch
Three algorithms written in NESL for finding separators of graphs, for the purpose of comparing the quality of the cuts. From the Scandal Project on developing a portable, interactive environment for programming a wide range of supercomputers (see Implementations
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 GraphSight  CradleFields.com
A graphing tool to plot and interactively explore 2D math functions in the coordinate plane. Drag, click, and move graphed objects. The site offers a gallery of mathrelated graphics and help documentation. Download a trial version of GraphSight, or purchase
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 Graphs: Theory  Algorithms  Complexity  Thomas EmdenWeinert
Links to information about graphs and graph theory. Contents include: Related Link Collections; Online Forums; Open Problems; Topics; Search & Find (look for people, bibliographic data, journals, conferences); Software; Books & Lecture Notes;
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 Graph Theory and Its Applications  Gross, Yellen
Pages designed to provide information about the textbook Graph Theory and Its Applications and to serve as a comprehensive graph theory resource for graph theoreticians and students. See also Graph Theory Resources, a support page maintained by Daniel
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 Graph Theory and Linear Algebra [PDF file]  Stephen Kauffman
The author states: Discusses aspects of Graph Theory that I haven't been able to find on the internet except at Linear Spaces of a Graph, so I wrote up everthing I know about it. It hasn't been reviewed.
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 Graph Theory Glossary  Chris Caldwell; Dept. of Mathematics & Computer Science, Univ. of Tennessee at Martin
A glossary that supplements Caldwell's Interactive Tutorials in Graph Theory written using the Web Tutor. Terms introduced in the tutorials are introduced; you may need to consult a library to find the definitions of more advanced terms.
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 Graph Theory Resources  Daniel P. Sanders
A page maintained by Sanders as part of www.graphtheory.com. Main links to people, research, and writings; shortcuts, conferences, journals, the Four Color Theorem, and Graph Theory White Pages.
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 Graph Theory  Steven Locke; Dept. of Mathematical Sciences, Florida Atlantic University
A brief history of graph theory, with basic definitions and problem sets based on the texts. Topics investigated include: Automorphism Group, Bicentral Tree, Binding Number, Bond Space, Cage, Central Tree, Characteristic Polynomial, Chromatic Polynomial,
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 Graph Theory Tutorials  Chris K. Caldwell
A series of short interactive tutorials introducing the basic concepts of graph theory, designed with the needs of future high school teachers in mind and currently being used in math courses at the University of Tennessee at Martin. An Introduction to
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 Grassmann's Theory of Dimension  Desmond FearnleySander
The theory of dimension for finitelygenerated linear spaces was created by Hermann Grassmann and is given in detail in Chapter 1 of his Ausdehnungslehre of 1862. The main part of the present paper is an annotated translation of the relevant portion of
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 Great Circle Mapper  Karl L. Swartz
Enter two locations on Earth (latitude and longitude, or airport codes) and see a map depicting the great circle path between them and a computation of the distance along that path. The Great Circle Mapper also displays the area within a given range of
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 The Greatest Mathematicians of All Time  James Dow Allen
Rankings and capsule mathematical biographies of the 100 greatest mathematicians of all time, with discussion that covers great mathematicians' own selfappraisals; prizes and medals; omissions; proposed candidates; comparisons with other "top 100" lists
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 The Greatest Math Teacher Ever  Keith Devlin (Devlin's Angle)
An article about the individual who, Devlin suggests, could justifiably be described as the American university mathematician who, through his teaching, has
had the greatest impact on the field of mathematics... He was a pioneer in one of the most important
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 Great Math Programs  Xah Lee
A listing about 40 excellent recreational math programs for Macintosh that do: polyhedra and Rubic cubes, curves and surfaces, fractals and Lsystems, tilings and symmetry, game of hex and game of life, chess and fiveinarow, peg solitare and polyominos,
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 GreatTeacher.net  Robin Alexander
GreatTeacher.net provides free resources to the teaching community: userfriendly job classifieds, email, discussion areas, an interactive calendar, resource links, and other services.
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 Greek Astronomy  MacTutor Math History Archives
Linked essay tracing the history of Greek astronomy from its beginnings with
Thales, in philosophy and timekeeping, through Pythagoras, Eratosthenes,
Hipparchus, Ptolemy, Plato, Aristotle, Aristarchus, and many others; with
references to relevant
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 Greek Letters and Math Symbols  Karen M. Strom
A set of transparent gifs of the Greek alphabet (all lower case letters and the necessary upper case letters), mathematical symbols, and letters and numbers for use in subscripts and superscripts. A crib sheet describing their use has been provided. A
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 Greek Mathematics and its Modern Heirs  SunSITE's Vatican Exhibit; Library of Congress
Classical roots of the scientific revolution. An essay on the history of Greek Math, with sample math problems. Covers Euclid's Elements and Optics, Archimedes' Works, Piero della Francesca's De quinque corporibus regularibus, and links to Ptolemy's Geography
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 Greek number systems  MacTutor Math History Archives
Linked essay on the history of the Greek number systems, notably the acrophonic system used in the first millennium BC, and the alphabetical numerals. With references and other related web sites.
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 Greek Science, Oral Report: Greek Mathematics  Chris Weinkopf
An oral report on the WWW, with links to relevant materials at the Perseus Project. The Four Divisions; Aristotelian Reclassification; Arithmetic; Geometry. Archytus, Plato, Aristotle, arithmetic as a function of logic, numbers as expressions of worth.
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 Green Globs & Graphing Equations  Sharon Dugdale and David Kibbey
The original algebra and graphing software by Sharon Dugdale and David Kibbey, newly revised and updated by the authors to run on all versions of Mac OS X. Single user, multiuser, school, district, and other licenses available for a bundle that includes
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 GreenHouse Gas Online
A site devoted to greenhouse gas and climate changerelated science, containing climate change news and links to the abstracts of hundreds of greenhouse gasrelated scientific papers. With discussions of the main types of greenhouse gas, and the global
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